/**
 * Copyright 2024 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MINDSPORE_MINDSPORE_CCSRC_KERNEL_PYBOOST_RING_BUFFER_H_
#define MINDSPORE_MINDSPORE_CCSRC_KERNEL_PYBOOST_RING_BUFFER_H_

#include <array>

namespace mindspore {
namespace kernel {
namespace pyboost {
// A Non-Thread-Safe ring buffer.
template <typename T, std::size_t Capacity>
class RingBuffer {
 public:
  RingBuffer() = default;
  ~RingBuffer() = default;

  void Push(const T &object) {
    current_index_ %= Capacity;
    cache_[current_index_] = object;
    current_index_ += 1;
  }

 private:
  std::array<T, Capacity> cache_;
  size_t current_index_{0};
};
}  // namespace pyboost
}  // namespace kernel
}  // namespace mindspore
#endif  // MINDSPORE_MINDSPORE_CCSRC_KERNEL_PYBOOST_RING_BUFFER_H_
